Littelfuse 04810000V - DUMMY INSERT. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
Littelfuse

04810000V

UPC: 079458063141

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Overview

The Littelfuse 482 Series Circuit Protection Indicator is a high-performance fault detection solution engineered for critical telecommunications, industrial control panels, and power distribution systems where rapid fault identification is essential to minimize downtime and prevent equipment damage. This advanced indicator combines robust construction with precision engineering to deliver reliable circuit interruption detection in demanding environments. The device features a black polyphenylene sulfide (PPS) body with UL-94V0 flammability rating, ensuring exceptional thermal stability and resistance to harsh chemicals, moisture, and mechanical stress. This makes it ideal for applications in telecommunications infrastructure, factory automation, renewable energy systems, and commercial building management where reliability and safety are paramount. At the core of the 482 Series is its bright alloy-plated beryllium copper contact system, which provides superior electrical conductivity and corrosion resistance, ensuring consistent performance over extended service life. The color-coded indicator flags are a standout feature, enabling technicians to immediately identify the ampere rating of the blown fuse without additional testing or diagnostic tools. This color-coding system significantly reduces troubleshooting time, allowing maintenance teams to restore critical circuits quickly and safely. When paired with a compatible Littelfuse 482 Series mating holder, the indicator can trigger LED or audio alarms, providing both visual and audible alerts for enhanced system monitoring and personnel safety. The optional clear plastic lens enhances visibility while maintaining protection against environmental contaminants, making it particularly valuable in dusty or high-vibration industrial settings. Installation is straightforward, with the indicator designed to integrate seamlessly into existing fuse blocks or panels, reducing retrofit complexity and associated labor costs. The 482 Series is part of Littelfuse’s trusted portfolio of circuit protection solutions, a manufacturer renowned for innovation and reliability in electrical safety since 1927. With millions of units deployed globally, Littelfuse’s reputation for quality and performance makes the 482 Series a preferred choice for engineers and maintenance professionals seeking dependable fault detection in mission-critical applications. Key applications include telecommunications central offices, data centers, industrial automation systems, motor control centers, and renewable energy installations. The device is particularly well-suited for environments where unplanned downtime can result in significant financial losses or safety hazards. By providing immediate visual indication of open circuits, the 482 Series helps prevent cascading failures, reduces maintenance costs, and enhances overall system reliability. Whether used in new installations or as an upgrade to existing systems, this circuit protection indicator delivers measurable benefits in operational efficiency and asset protection.
  • Color-coded indicator flags for immediate ampere rating identification
  • Black PPS body with UL-94V0 flammability rating for superior thermal and chemical resistance
  • Bright alloy-plated beryllium copper contacts ensure reliable electrical performance
  • Optional clear plastic lens enhances visibility and safety in harsh environments
  • Compatible with Littelfuse 482 Series mating holders for LED/audio alarm integration

Specifications

Application
Telecommunicationso and control panel circuits
Brand Name
Littelfuse
Color
Black
Connection Type
Screw Terminal
Material
Polyphenylene sulfide
Mounting Type
Panel Mount
Series
482 Series
Special Features
Fast- Acting
Sub Brand
481 Series
Type
Alarm Indication Fuse
FUSE 125V ALARM FUSE RoHS 7.5A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.

048107.5VXP

FUSE 125V ALARM FUSE RoHS 7.5A. Color-coded indicator flags indicate ampere rating. Body is constructed of black polyphenylene sulfide with UL-94V0 flammability rating, contacts are of bright alloy-plated beryllium copper. Ideal for telecommunications and control panel circuits.Eliminates down time by immediately pinpointing the blown (open) circuit while triggering LED or audio alarm, while placed in mating holder (482 Series). Clear plastic lens option available for additional safety.
Miniature fuse STG-V - Time-Delay 350VAC 1.5A

STG-V1-1/2

Miniature fuse STG-V - Time-Delay 350VAC 1.5A

Frequently Asked Questions about Littelfuse

What certifications and standards do Littelfuse products comply with?

Littelfuse products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Customers can verify specific product certifications by consulting individual product datasheets on Littelfuse.com, which provide comprehensive details about standards compliance for each component.

What industries and applications are Littelfuse products used for?

Littelfuse products are critical for electrical protection and safety across multiple industrial sectors, including manufacturing, automation, power distribution, and electrical control systems. Their comprehensive product portfolio serves industries that require robust electrical protection, including motor and pump applications, solar installations, programmable logic controllers (PLCs), electrical switch panels, and critical infrastructure environments. Key product lines protect against overcurrent, voltage transients, ground faults, and temperature-related electrical risks, ensuring equipment safety and operational reliability.

What technical support does Littelfuse offer?

Littelfuse offers comprehensive technical support through multiple channels. Their Technical Hotline (800-TEC-FUSE) provides direct access to engineers who can help identify issues and recommend solutions. Additionally, Littelfuse offers extensive online Technical Resources at Littelfuse.com, including datasheets, product manuals, whitepapers, application guides, and online design tools. Their experienced product and application engineers also provide step-by-step support from design to installation.

What are the main product lines offered by Littelfuse?

Littelfuse offers comprehensive industrial protection and control product lines, including fuses, fuse holders, protection relays, temperature sensors, and electrical safety components. Their key product categories span surge protective devices, custom OEM products, electrical switch panels, medium voltage fuses, ground-fault protection relays, motor and pump protection devices, and temperature sensors. These products are designed to minimize electrical safety hazards, limit equipment damage, improve productivity, and safeguard personnel from electrical faults.

What are the key features of Littelfuse products?

Littelfuse products feature exceptional circuit protection technologies with key characteristics including UL/IEC safety standard compliance, low internal resistance, and advanced protective capabilities across multiple product lines. Their components provide critical protection for industrial systems, offering features like overcurrent protection, voltage transient suppression, and resettable protection devices with ultra-low resistance and compact designs. Key product lines include fuses, metal oxide varistors (MOVs), TVS diodes, PolySwitch devices, and specialized electronic protection components that enhance system reliability and safety.

What environmental ratings do Littelfuse products have?

Littelfuse products feature comprehensive environmental ratings, including NEMA Type 1, 2, 3, 3R, 4/4X, 12, and 13 certifications, as well as IP65 protection. These ratings ensure superior protection in diverse industrial environments, with an operating temperature range of -40°F to +131°F (-40°C to +55°C). Many products also include UV-stabilized materials and neoprene gaskets for enhanced durability in outdoor and challenging conditions.

What accessories are available for Littelfuse products?

Littelfuse offers several key accessories across their product lines, including fuse holders, voltage monitoring modules, and terminal connectors. Specific accessories include the LPSM003ZXID (indicating) and LPSM003Z (non-indicating) POWR-SAFE Dead Front fuse holders for Class CC and Midget-Style fuses, the VRM6048 voltage monitor accessory module, and female quick connect terminals (P1015 series) in various wire gauge sizes. These accessories are designed to enhance protection, monitoring, and connectivity for Littelfuse electrical components.

What is Littelfuse's warranty policy?

Littelfuse provides comprehensive warranty details on their official website at www.littelfuse.com/warranty. Customers should visit this page to review the specific warranty terms and conditions for their specific product lines. For direct warranty support or questions, customers can contact Littelfuse Technical Support at 1-800-TEC-FUSE or email [email protected].

What communication protocols do Littelfuse products support?

Littelfuse supports a comprehensive range of industrial communication protocols, including PROFIBUS, PROFINET, EtherNet/IP, DeviceNet, Modbus RTU, and CANopen. Our products provide flexible connectivity solutions across multiple industrial automation platforms, enabling seamless integration with various control systems and network architectures.

How are Littelfuse products typically installed?

Littelfuse products are typically installed using specialized mounting hardware like fuse holders, blocks, and panels designed for specific industrial applications. The POWR-SAFE Dead Front holders, for example, provide optimum protection for Class CC and Midget-Style fuses, supporting installations up to 600 VAC/DC. Installation often involves using precision terminals with strain relief, such as 0.25 in. female quick connect terminals, to ensure secure and safe electrical connections in industrial control systems.